Bones - X-Formula Joslin Slice of Life V1 Standard 99A Wheel (52mm/54mm) Size:52mm Dragon Formula™ wheels are built

Dragon Formula™ wheels are built to last

Grant Brittain and Steve Hawk

the Callio S77 is a modernist’s interpretation of the heritage skate style we all know and love

Leaves more truck exposed

Regular Fit

Bones - X-Formula Joslin Slice of Life V1 Standard 99A Wheel (52mm/54mm) Size:52mm Dragon Formula™ wheels are builtAbout X Formula About: The amazing new X Formula (XF) is another industry leading innovation from the BONES WHEELS factory. X Formula rolls over rough terrain like softer wheels do, but slides much like a harder wheel will. Speed: X Formula is extremely fast because it has a super high rebound. X Formula rolls much smoother and faster on all terrains because it absorbs vibration and softens impacts much better than any other wheel in the market. Grip